12 results
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
, Amyloidosis, MPGN ... • Nephritic: RPGN ... , IgA, Alport, MPGN
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN ... Mesangiocapillary GN ... Complement-Mediated MGPN ... , CFHR5 neph) MPGN ... Glomerulonephritis #MPGN
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Glomerulonephritis (RPGN ... ) RPGN has three ... Complement: Post-strep GN ... to Kidney: Anti-GBM ... StanfordChiefs #RPGN
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Glomerulonephritis (RPGN ... post-infectious GN ... Basement Membrane (GBM ... Linear, ribbon-like GBM ... Glomerulonephritis #RPGN
Cryoglobulinemia Classification Types

Type 1: Monoclonal IgM (rarely IgG/lgA)
 • Raynaud phenomenon, Digital ulcers/gangrene, Livedo reticularis, Hyperviscosity
Liver, kidney (MPGN
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
Post-infectious GN ... • Membranous GN ... • Amyloid RPGN ... • Anti-GBM disease ... pathology #comparison #table
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Cytomegalovirus; GBM ... basement membrane; GN ... atypical HUS; MPGN
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
MPGN: Paraneoplastic
Stage III Glomerulonephritis on Electron Microscopy
This image shows acellular scanning EM from a biopsy with membranous
more extensive GBM ... surface of reticular GBM ... glomerulonephritis #MGN ... #stage3 #GBM #ElectronMicroscopy
Guide to systemic mastocytosis

Criteria for diagnosis: at least 1 major and 1 minor or 3 minor
aggregates) in BM ... are atypical on BM ... release • MCs in BM ... Hypercellular BM ... criteria for MDS or MPN